From 254a9ae7aed08289094693c3f6f7fd8661c289fc Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Thu, 30 Aug 2018 07:45:34 +0200
Subject: [PATCH] Safe check for files

---
 src/utils/Droppable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils/Droppable.js b/src/utils/Droppable.js
index 4d4ccb376..387dc3397 100644
--- a/src/utils/Droppable.js
+++ b/src/utils/Droppable.js
@@ -113,7 +113,7 @@ export default class Droppable {
   getContentByData(dataTransfer) {
     const em = this.em;
     const types = dataTransfer.types;
-    const files = dataTransfer.files;
+    const files = dataTransfer.files || [];
     const dragContent = em.get('dragContent');
     let content = dataTransfer.getData('text');